151706761631 has 2 divisors, whose sum is σ = 151706761632. Its totient is φ = 151706761630.

The previous prime is 151706761513. The next prime is 151706761651. The reversal of 151706761631 is 136167607151.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-151706761631 is a prime.

It is a super-2 number, since 2×151706761631² (a number of 23 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (151706761651) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 75853380815 + 75853380816.

It is an arithmetic number, because the mean of its divisors is an integer number (75853380816).

Almost surely, 2^151706761631 is an apocalyptic number.

151706761631 is a deficient number, since it is larger than the sum of its proper divisors (1).

151706761631 is an equidigital number, since it uses as much as digits as its factorization.

151706761631 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 158760, while the sum is 44.

The spelling of 151706761631 in words is "one hundred fifty-one billion, seven hundred six million, seven hundred sixty-one thousand, six hundred thirty-one".